settings: add back notification shortcuts + slim classes we need

this will add back slims notification shorcuts feature as well
we add common slim classes we use for navbar navring pie etc
see fb commit for more details

Change-Id: I798d6597a8894fa47718fa6310b7965239130a3a

Conflicts:
	res/values/slim_arrays.xml
	res/values/slim_strings.xml
	res/xml/appgroup_list.xml
Settings: Slims ElectronBeam get some love (2/2)

Features:
- You can select different crt off animation modes if device overlay does not disable it at all
- disabled
- always horizontal (stock behaviour)
- always vertical (screen collapse from left and right to the middle)
- orientation dependent (means portrait = horizontal animation, landscape = vertical animation)
- some minor fixes/code style improvements to 4.3 implementation

Change-Id: I35fb277b8da823d50cc4db1eec32ea597fe973f2

Conflicts:
	res/values/slim_arrays.xml
	res/xml/display_settings.xml
	src/com/android/settings/DisplaySettings.java